Mary quickly closed the door of her room _______ her father could reach it to ke

题干

Mary quickly closed the door of her room _______ her father could reach it to keep him out.

A．before	B．when
C．as	D．while

上一题下一题 0.94难度单项选择更新时间:2010-05-14 08:14:10

小学学科试题库

初中学科试题库

高中学科试题库